Table 4. Distribution of genotypes and alleles of the Duffy blood group system in patients with chronic periodontitis and controls.
| Duffy |
Total
|
Nonsmokers
|
||
|---|---|---|---|---|
| Periodontitis | Controls | Periodontitis | Control | |
| N = 124 | N = 187 | N = 55 | N = 134 | |
| n(%) | n (%) | n(%) | n (%) | |
| Genotypes | ||||
| FY*01/FY*01 | 10 (8.1) | 27 (14.4) | 10 (18.1) | 23 (17.2) |
| FY*01/FY*02 | 45 (36.3) | 62 (33.2) | 15 (27.3) | 41 (30.6) |
| FY*02/FY*02 | 33 (26.6) | 57 (30.5) | 13 (23.6) | 40 (29.9) |
| FY*02/FY*02N.01 | 10 (8.1) | 12 (6.4) | 4 (7.3) | 9 (6.7) |
| FY*02/FY*02M.01 | 2 (1.6) | 3 (1.6) | 1 (1.8) | 2 (1.5) |
| FY*01/FY*02N.01 | 12 (9.7) | 10 (5.3) | 6 (11) | 8 (6) |
| FY*02N.01/FY*02N.01 | 7 (5.6) | 11 (5.9) | 3 (5.5) | 9 (6.7) |
| FY*02M.01/FY*02N.01 | 2 (1.6) | 3 (1.6) | 1 (1.8) | 1 (0.7) |
| FY*01/FY*02M.01 | 3 (2.4) | 2 (1.1) | 2 (3.6) | 1 (0.7) |
| Alleles | ||||
| FY*01 | 80 (32.3) | 128 (34.2) | 43 (39.1) | 96 (35.8) |
| FY*02 | 123 (49.6) | 191 (51.1) | 46 (41.8) | 132 (49.3) |
| FY*02N. 01 | 38 (15.3) | 47 (12.6) | 17 (15.5) | 36 (13.4) |
| FY*02M.01 | 7 (2.8) | 8 (2.1) | 4 (3.6) | 4 (1.5) |